166169858492 has 24 divisors (see below), whose sum is σ = 317431647792. Its totient is φ = 75484544000.

The previous prime is 166169858483. The next prime is 166169858507. The reversal of 166169858492 is 294858961661.

It is a super-2 number, since 2×166169858492² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109003 + ... + 1249890.

It is an arithmetic number, because the mean of its divisors is an integer number (13226318658).

Almost surely, 2^166169858492 is an apocalyptic number.

It is an amenable number.

166169858492 is a deficient number, since it is larger than the sum of its proper divisors (151261789300).

166169858492 is a wasteful number, since it uses less digits than its factorization.

166169858492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360509 (or 2360507 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 65.

The spelling of 166169858492 in words is "one hundred sixty-six billion, one hundred sixty-nine million, eight hundred fifty-eight thousand, four hundred ninety-two".